With a quantity of three pieces, the Spring is the most used part in the HEADLAMP diagram.
The component with the lowest price in the HEADLAMP schematic is the Bulb(12v3.4w,stanley,a72a).
Parts such as the Headlamp: Spring, Bulb(12v3.4w,stanley,a72a), Headlamp Assy, Socket are included in the Gs450l 1981 (x) (e02 E15 E21 E22 E24 E25 E39) Headlamp parts fiche.